<?php
class Util_http {
	public static function LinkURL($url) {
		$fp = @fsockopen ( $url, 80, $errno, $errstr, 30 );
		if ($fp) {
			
			fputs ( $fp, "GET / HTTP/1.1\r\n" );
			fputs ( $fp, "Host: $url\r\n" );
			fputs ( $fp, "Accept: */*\r\n" );
			fputs ( $fp, "Referer: http://$url/\r\n" );
			fputs ( $fp, "User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)\r\n" );
			fputs ( $fp, "Connection: Close\r\n\r\n" );
		}
		while ( $str = fread ( $fp, 4096 ) )
			$data .= $str;
		fclose ( $fp );
		return $data;
	}
	public static function LinkHttpsUrl($url) {
		$ch = curl_init ();
		curl_setopt ( $ch, CURLOPT_URL, $url );
		curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
		curl_setopt ( $ch, CURLOPT_SSL_VERIFYPEER, false );
		curl_setopt ( $ch, CURLOPT_SSL_VERIFYHOST, false );
		
		$json = curl_exec ( $ch );
		curl_close ( $ch );
		return $json;
	}
	
	// 使用curl发送get请求
	public static function doGet_curl($httpUrl) {
		$ch = curl_init ();
		curl_setopt ( $ch, CURLOPT_URL, $httpUrl );
		curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 ); // 禁止直接显示获取的内容 重要
		$result = curl_exec ( $ch ); // 获取
		curl_close ( $ch );
		// 直接将原始数据返回（部分渠道返回值非json型，无法统一转化）
		return $result;
	}
	
	// 使用curl发送post请求
	public static function doPost_curl($httpUrl, $post_data) {
		$ch = curl_init ();
		curl_setopt ( $ch, CURLOPT_URL, $httpUrl );
		curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, 1 );
		// post传参
		curl_setopt ( $ch, CURLOPT_POST, 1 );
		curl_setopt ( $ch, CURLOPT_POSTFIELDS, $post_data );
		$result = curl_exec ( $ch );
		curl_close ( $ch );
		// 直接将原始数据返回（部分渠道返回值非json型，无法统一转化）
		return $result;
	}
}

?>